*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.header{
    width: 85%;
    margin: 0 auto 20px;
}

.header .top{
    width: 100%;
    height: 150px;
    display: flex;
    justify-content: space-between;
}
.left_top{
    width: 35%;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}
.left_top a{
    text-decoration: none;
    width: 40%;
    bottom: 0;
}

.left_top a img{
    width: 100%;
    font-size: 0px;
}
.left_top span {
    font-size: 43px;
    color: #7F8386;
    display: inline-block;
}

.right_top{
    display: flex;
    align-items: flex-end;
}
.right_top span{
    font-size: 18px;
}
.right_top a{
    margin-left:20px;
    text-decoration: none;
    font-size: 18px;
}

.main{
    width: 85%;
    margin: 0 auto;
    height: 500px;
    border: 1px solid black;
}


.footer {
    text-align: center;
    color: gray;
    margin: 10px 0;
}

.skip{
    text-align: center;
}
.skip a{
    color: black;
}
.skip input{
    width: 30px;
    text-align: center;
}
